555681425 has 12 divisors (see below), whose sum is σ = 742048860. Its totient is φ = 410349120.

The previous prime is 555681421. The next prime is 555681461. The reversal of 555681425 is 524186555.

It can be written as a sum of positive squares in 6 ways, for example, as 9431041 + 546250384 = 3071^2 + 23372^2 .

It is not a de Polignac number, because 555681425 - 2² = 555681421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (555681421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 854570 + ... + 855219.

It is an arithmetic number, because the mean of its divisors is an integer number (61837405).

Almost surely, 2^555681425 is an apocalyptic number.

It is an amenable number.

555681425 is a deficient number, since it is larger than the sum of its proper divisors (186367435).

555681425 is a wasteful number, since it uses less digits than its factorization.

555681425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709812 (or 1709807 counting only the distinct ones).

The product of its digits is 240000, while the sum is 41.

The square root of 555681425 is about 23572.8959824626. The cubic root of 555681425 is about 822.1327709041.

The spelling of 555681425 in words is "five hundred fifty-five million, six hundred eighty-one thousand, four hundred twenty-five".